with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms

with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeC07C271/34
Official titlewith the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms
Display labelwith the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms
Total patents104

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201510
201617
201712
201810
20197
20209
20217
20228
20237
20247
20257
20263

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC C07C271/34?
CPC C07C271/34 is the Cooperative Patent Classification code for “with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms.”
How many patents are filed under CPC C07C271/34 (with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms)?
Our database includes 104 publications tagged with this CPC code.
Is patent activity under CPC C07C271/34 growing?
Publication counts under this code: 7 in 2024 vs 7 in 2025 (latest complete years).